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NDA 2 2024 GAT, question 112

Topic: Geography

Q112

Which one among the following processes is NOT part of chemical weathering ?

  1. (a) Solution
  2. (b) Hydration
  3. (c) Reduction
  4. (d) ThawingCorrect answer

Solution.

Answer: (d) Thawing

  1. Thawing is a physical phase change and belongs to freeze–thaw weathering, not chemical weathering.
  2. Oxidation, reduction and related reactions alter mineral chemistry.